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Moment of truth
The fastest man-made object that ever leave the Earth is the Pinoeer 10 spacecraft, launched in 1972, and attained a speed of more than 32000 mph.


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vector Math.
A mathematical quantity that is defined by both a numerical magnitude and a direction in space. It is also called a vector quantity. For example, the velocity of an object contains both how fast and the direction it is moving. See also scalar.

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